/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.inlong.agent.utils;

import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
 * ExecuteLinux cmd
 */
public class ExcuteLinux {

    /**
     * execute linux cmd
     *
     * @param commandStr cmd
     * @return result of execution
     */
    public static String exeCmd(String commandStr) {

        String result = null;
        try {
            String[] cmd = new String[]{"/bin/sh", "-c", commandStr};
            Process ps = Runtime.getRuntime().exec(cmd);

            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
            StringBuffer sb = new StringBuffer();
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line).append("\n");
            }
            result = sb.toString();

        } catch (Exception e) {
            e.printStackTrace();
        }

        return result;

    }
}